Sales of Nano, Indica, Indigo range in December 2013 were 6,537 units, while that of Sumo, Safari, Aria, Venture range were at 2,735 units, Tata Motors said in a statement.

In the commercial vehicles segment, the company's sales declined by 45.83 per cent to 25,738 units in the domestic market during the month compared to 47,515 units in the corresponding month previous year.